225
FNCA52 TJSJ 190742
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST
THIS AFTERNOON...
DISCUSSION
A RED FLAG WARNING HAS BEEN ISSUED FOR TODAY ACROSS PORTIONS OF
SOUTHERN AND WESTERN PUERTO RICO, VIEQUES AND ST CROIX, WHERE THE
GREATEST FIRE DANGER IS EXPECTED FROM LATE MORNING THROUGH THE
AFTERNOON. EXPECT BREEZY EAST TO EAST-SOUTHEAST WINDS AND WINDY
GUSTS, AS WELL AS DANGEROUS LOW RH VALUES, CREATING HIGH RISK OF
FIRE WEATHER CONDITIONS. THESE CONDITIONS COMBINED WITH
CRITICALLY DRY FUELS WILL PROMOTE THE RAPID SPREADING OF ANY FIRE
THAT DEVELOPS.
PRZ014-192015-
SOUTHEAST COASTAL PLAINS-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST
THIS AFTERNOON...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). HAZE UNTIL 1200.
ISOLATED SHOWERS UNTIL 1200.
LAL.................1.
MAX TEMPERATURE.....82-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........42-74 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST 10 TO 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (44400-82000 KNOT-FT).
MIXING HEIGHT.......800-5700 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). HAZE. ISOLATED
SHOWERS.
LAL.................1.
MIN TEMPERATURE.....71-81.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........71-96 PERCENT.
24 HR TREND......6 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (300-8400 KNOT-FT).
MIXING HEIGHT.......0-3200 FT AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). HAZE.
LAL.................1.
MAX TEMPERATURE.....82-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........42-72 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......EAST 10 TO 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (43300-86300 KNOT-FT).
MIXING HEIGHT.......1000-6100 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ015-192015-
SOUTHERN HILLS-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST
THIS AFTERNOON...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). HAZE UNTIL 1200.
SCATTERED SHOWERS UNTIL 0900ISOLATED SHOWERS
AFTER 0900.
LAL.................1.
MAX TEMPERATURE.....77-93.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........45-80 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (10900-85000 KNOT-FT).
MIXING HEIGHT.......300-7200 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). HAZE. ISOLATED
SHOWERS UNTIL 2400SCATTERED SHOWERS AFTER 2400.
LAL.................1.
MIN TEMPERATURE.....67-79.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........73-100 PERCENT.
24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (200-15800 KNOT-FT).
MIXING HEIGHT.......0-3400 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). HAZE. SCATTERED
SHOWERS UNTIL 0900. SCATTERED SHOWERS AFTER
1200.
LAL.................1.
MAX TEMPERATURE.....77-93.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........46-77 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (16000-88800 KNOT-FT).
MIXING HEIGHT.......600-6800 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ016-192015-
NORTH COASTAL PLAINS-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). HAZE UNTIL 1200.
ISOLATED SHOWERS.
LAL.................1.
MAX TEMPERATURE.....84-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........53-80 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......EAST 10 TO 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (10200-83100 KNOT-FT).
MIXING HEIGHT.......600-6300 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). HAZE. ISOLATED
SHOWERS UNTIL 0300SCATTERED SHOWERS AFTER 0300.
LAL.................1.
MIN TEMPERATURE.....71-79.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........82-100 PERCENT.
24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (500-10500 KNOT-FT).
MIXING HEIGHT.......0-3400 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SCATTERED SHOWERS
UNTIL 1200. HAZE.
LAL.................1.
MAX TEMPERATURE.....85-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........50-76 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST 10 TO 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (19800-78500 KNOT-FT).
MIXING HEIGHT.......500-6200 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ017-192015-
NORTHERN HILLS-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). HAZE UNTIL 1200.
ISOLATED SHOWERS AFTER 0900 UNTIL 1200, THEN
SCATTERED SHOWERS.
LAL.................1.
MAX TEMPERATURE.....84-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........58-78 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (8500-78600 KNOT-FT).
MIXING HEIGHT.......300-8300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). HAZE. ISOLATED
SHOWERS AFTER 2100.
LAL.................1.
MIN TEMPERATURE.....69-75.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........87-100 PERCENT.
24 HR TREND......3 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (200-3800 KNOT-FT).
MIXING HEIGHT.......0-3400 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). HAZE. SCATTERED
SHOWERS AFTER 1200.
LAL.................1.
MAX TEMPERATURE.....85-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........55-73 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (13200-77000 KNOT-FT).
MIXING HEIGHT.......500-9700 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ018-192015-
WEST COAST-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST
THIS AFTERNOON...
TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT) UNTIL 1200, THEN MOSTLY
SUNNY (45-55 PERCENT). HAZE UNTIL 1200.
NUMEROUS SHOWERS AFTER 1200.
LAL.................1.
MAX TEMPERATURE.....85-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........48-78 PERCENT.
24 HR TREND......5 PERCENT WETTER.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (2400-83200 KNOT-FT).
MIXING HEIGHT.......300-6200 FT AGL.
TRANSPORT WINDS.....EAST 10 TO 15 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) UNTIL 2400, THEN
CLEAR (0-10 PERCENT). ISOLATED SHOWERS UNTIL
2100. HAZE.
LAL.................1.
MIN TEMPERATURE.....70-78.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........80-100 PERCENT.
24 HR TREND......4 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (500-11600 KNOT-FT).
MIXING HEIGHT.......0-2400 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT) UNTIL 1200, THEN PARTLY
SUNNY (55-65 PERCENT). HAZE UNTIL 1200.
SCATTERED SHOWERS AFTER 1200.
LAL.................1.
MAX TEMPERATURE.....85-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........48-75 PERCENT.
24 HR TREND......2 PERCENT DRIER.
20-FOOT WINDS.......EAST 5 TO 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (7800-83200 KNOT-FT).
MIXING HEIGHT.......200-6300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ019-192015-
EASTERN INTERIOR-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). HAZE UNTIL 1200.
SCATTERED SHOWERS.
LAL.................1.
MAX TEMPERATURE.....79-91.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........54-78 PERCENT.
24 HR TREND......2 PERCENT WETTER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (42400-83000 KNOT-FT).
MIXING HEIGHT.......600-7400 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). HAZE. ISOLATED
SHOWERS UNTIL 2100SCATTERED SHOWERS AFTER 2100.
LAL.................1.
MIN TEMPERATURE.....68-81.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........81-100 PERCENT.
24 HR TREND......7 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (100-29700 KNOT-FT).
MIXING HEIGHT.......0-3500 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SCATTERED SHOWERS
UNTIL 1200. HAZE UNTIL 0900. HAZE AFTER 1200.
LAL.................1.
MAX TEMPERATURE.....79-93.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........50-73 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (46200-85600 KNOT-FT).
MIXING HEIGHT.......900-8600 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ022-192015-
LUQUILLO MOUNTAIN RANGE-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SCATTERED SHOWERS
UNTIL 0900, THEN ISOLATED SHOWERS UNTIL 1200,
THEN SCATTERED SHOWERS. HAZE AFTER 0900 UNTIL
1200.
LAL.................1.
MAX TEMPERATURE.....75-89.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........62-90 PERCENT.
24 HR TREND......12 PERCENT WETTER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (46100-82700 KNOT-FT).
MIXING HEIGHT.......800-5700 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) UNTIL 0300, THEN
MOSTLY CLOUDY (55-65 PERCENT). HAZE UNTIL 2100.
ISOLATED SHOWERS UNTIL 2100, THEN SCATTERED
SHOWERS.
LAL.................1.
MIN TEMPERATURE.....66-77.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........84-100 PERCENT.
24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (600-7600 KNOT-FT).
MIXING HEIGHT.......0-2700 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SCATTERED SHOWERS
UNTIL 1200. HAZE AFTER 1200.
LAL.................1.
MAX TEMPERATURE.....75-89.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........57-84 PERCENT.
24 HR TREND......17 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (46400-72500 KNOT-FT).
MIXING HEIGHT.......900-5800 FT AGL.
TRANSPORT WINDS.....EAST AROUND 15 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ023-192015-
CENTRAL MOUNTAIN RANGE-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). HAZE UNTIL 1200.
SCATTERED SHOWERS AFTER 0900 UNTIL 1200, THEN
NUMEROUS SHOWERS UNTIL 1500, THEN SCATTERED
SHOWERS.
LAL.................1.
MAX TEMPERATURE.....75-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........57-86 PERCENT.
24 HR TREND......4 PERCENT WETTER.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (3000-79200 KNOT-FT).
MIXING HEIGHT.......200-8900 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). HAZE. ISOLATED
SHOWERS AFTER 0300.
LAL.................1.
MIN TEMPERATURE.....62-75.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........84-100 PERCENT.
24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (100-2800 KNOT-FT).
MIXING HEIGHT.......0-3600 FT AGL.
TRANSPORT WINDS.....EAST AROUND 5 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). HAZE UNTIL 1200.
NUMEROUS SHOWERS AFTER 1200.
LAL.................1.
MAX TEMPERATURE.....75-94.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........53-82 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (5500-83600 KNOT-FT).
MIXING HEIGHT.......300-10600 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ024-192015-
CAYEY MOUNTAIN RANGE-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SCATTERED SHOWERS
UNTIL 0900. ISOLATED SHOWERS AFTER 0900. HAZE
AFTER 0900 UNTIL 1200.
LAL.................1.
MAX TEMPERATURE.....76-88.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........61-83 PERCENT.
24 HR TREND......3 PERCENT WETTER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (48700-86800 KNOT-FT).
MIXING HEIGHT.......700-5800 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) UNTIL 0300, THEN
MOSTLY CLOUDY (50-60 PERCENT). HAZE UNTIL 0300.
ISOLATED SHOWERS UNTIL 0300, THEN SCATTERED
SHOWERS.
LAL.................1.
MIN TEMPERATURE.....68-76.
24 HR TREND......4 DEGREES COOLER.
MAX HUMIDITY........90-100 PERCENT.
24 HR TREND......UNCHANGED.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 5 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR (300-8300 KNOT-FT).
MIXING HEIGHT.......0-3000 FT AGL.
TRANSPORT WINDS.....EAST 5 TO 10 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SCATTERED SHOWERS
UNTIL 1200. HAZE AFTER 0900.
LAL.................1.
MAX TEMPERATURE.....77-88.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........55-75 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 10 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (52100-88700 KNOT-FT).
MIXING HEIGHT.......1100-6000 FT AGL.
TRANSPORT WINDS.....EAST 15 TO 20 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ025-192015-
VIEQUES-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST
THIS AFTERNOON...
TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) UNTIL 0900, THEN
SUNNY (20-30 PERCENT). SCATTERED SHOWERS UNTIL
0900. ISOLATED SHOWERS AFTER 0900. HAZE AFTER
0900 UNTIL 1200.
LAL.................1.
MAX TEMPERATURE.....85-90.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........58-73 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO FAIR (37100-53700 KNOT-FT).
MIXING HEIGHT.......1900-3300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). HAZE. ISOLATED
SHOWERS.
LAL.................1.
MIN TEMPERATURE.....75-80.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........83-95 PERCENT.
24 HR TREND......3 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (30000-67700 KNOT-FT).
MIXING HEIGHT.......1400-4300 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). HAZE.
LAL.................1.
MAX TEMPERATURE.....85-90.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........57-70 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR (44300-55200 KNOT-FT).
MIXING HEIGHT.......2600-3900 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
PRZ026-192015-
CULEBRA-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SCATTERED SHOWERS
UNTIL 0900. ISOLATED SHOWERS AFTER 0900 UNTIL
1500. HAZE AFTER 0900 UNTIL 1200.
LAL.................1.
MAX TEMPERATURE.....84-93.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........56-79 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO FAIR (34200-51900 KNOT-FT).
MIXING HEIGHT.......2000-3200 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). HAZE. ISOLATED
SHOWERS.
LAL.................1.
MIN TEMPERATURE.....76-81.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........80-93 PERCENT.
24 HR TREND......6 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (56100-64400 KNOT-FT).
MIXING HEIGHT.......1600-4200 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SCATTERED SHOWERS
UNTIL 0900. HAZE.
LAL.................1.
MAX TEMPERATURE.....84-93.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........53-75 PERCENT.
24 HR TREND......1 PERCENT WETTER.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR (43900-55600 KNOT-FT).
MIXING HEIGHT.......2600-3900 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
VIZ001-192015-
SAINT THOMAS AND SAINT JOHN-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SCATTERED SHOWERS
UNTIL 0900. ISOLATED SHOWERS AFTER 0900. HAZE
AFTER 0900 UNTIL 1200.
LAL.................1.
MAX TEMPERATURE.....84-91.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........60-78 PERCENT.
24 HR TREND......1 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO FAIR (29500-51000 KNOT-FT).
MIXING HEIGHT.......1600-3200 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) UNTIL 0300, THEN
MOSTLY CLOUDY (50-60 PERCENT). HAZE UNTIL 0300.
ISOLATED SHOWERS UNTIL 0300, THEN SCATTERED
SHOWERS.
LAL.................1.
MIN TEMPERATURE.....74-81.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........78-99 PERCENT.
24 HR TREND......3 PERCENT DRIER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO GOOD (37800-64000 KNOT-FT).
MIXING HEIGHT.......1300-4200 FT AGL.
TRANSPORT WINDS.....EAST 20 TO 25 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SCATTERED SHOWERS
UNTIL 0900. HAZE AFTER 0900.
LAL.................1.
MAX TEMPERATURE.....84-91.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........56-74 PERCENT.
24 HR TREND......3 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO FAIR (37300-57200 KNOT-FT).
MIXING HEIGHT.......2100-3700 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
VIZ002-192015-
ST CROIX-
342 AM AST FRI JUN 19 2026
...HEAT ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO 6 PM AST
THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST
THIS AFTERNOON...
TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). HAZE UNTIL 1200.
ISOLATED SHOWERS AFTER 0900.
LAL.................1.
MAX TEMPERATURE.....84-94.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........55-78 PERCENT.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (46900-98700 KNOT-FT).
MIXING HEIGHT.......1300-5400 FT AGL.
TRANSPORT WINDS.....EAST 20 TO 25 MPH.
CHC OF WETTING RAIN.MISSING.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT). HAZE. ISOLATED
SHOWERS UNTIL 0300SCATTERED SHOWERS AFTER 0300.
LAL.................1.
MIN TEMPERATURE.....75-81.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........81-98 PERCENT.
24 HR TREND......1 PERCENT WETTER.
HUMIDITY RECOVERY...EXCELLENT.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....POOR TO FAIR (11300-50300 KNOT-FT).
MIXING HEIGHT.......200-3700 FT AGL.
TRANSPORT WINDS.....EAST AROUND 20 MPH.
CHC OF WETTING RAIN.MISSING.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). HAZE.
LAL.................1.
MAX TEMPERATURE.....84-93.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........54-74 PERCENT.
24 HR TREND......4 PERCENT DRIER.
20-FOOT WINDS.......EAST AROUND 15 MPH.
HAINES INDEX........MISSING.
SMOKE DISPERSAL.....FAIR TO GOOD (59200-84100 KNOT-FT).
MIXING HEIGHT.......1300-5400 FT AGL.
TRANSPORT WINDS.....EAST 20 TO 25 MPH.
CHC OF WETTING RAIN.MISSING.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS AROUND 80. HIGHS
IN THE MID 80S. EAST WINDS AROUND 15 MPH.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS AROUND 80. HIGHS
IN THE MID 80S. EAST WINDS AROUND 15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS AROUND 80.
HIGHS IN THE MID 80S. EAST WINDS AROUND 15 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS AROUND 80.
HIGHS IN THE MID 80S.
THURSDAY
PARTLY CLOUDY. LOWS AROUND 80. HIGHS IN THE MID 80S.
.OUTLOOK
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